The Salt series using rustproof H1 steel is lightweight, and there are models comparable in size to the Harpy, Delica, Endura, and Rescue. They also come in black.
My Yellow Tasman Salt, fully serrated hawkbill, has become my favorite EDC.

These 2 Salt series pics are by Telemeister in Australia:

Here's one by jaislandboy in Tennessee (where I didn't know they had Vegemite):